85684875 has 32 divisors (see below), whose sum is σ = 146083392. Its totient is φ = 44576000.

The previous prime is 85684871. The next prime is 85684883. The reversal of 85684875 is 57848658.

It is not a de Polignac number, because 85684875 - 2² = 85684871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85684871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12589 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (4565106).

Almost surely, 2^85684875 is an apocalyptic number.

85684875 is a deficient number, since it is larger than the sum of its proper divisors (60398517).

85684875 is a wasteful number, since it uses less digits than its factorization.

85684875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632 (or 5622 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 51.

The square root of 85684875 is about 9256.6125013419. The cubic root of 85684875 is about 440.8607033280.

The spelling of 85684875 in words is "eighty-five million, six hundred eighty-four thousand, eight hundred seventy-five".